Home / 27,941.09-41,911.56-8,219.61

Finding the Fourth Proportional to 27,941.09, 41,911.56 and 8,219.61

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Solution

The fourth proportional to 27,941.09, 41,911.56 and 8,219.61 is: 12,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.09 : 41,911.56 = 8,219.61 : x
  2. Step 2: Convert to fraction form
    27,941.09/41,911.56 = 8,219.61/x
  3. Step 3: Cross multiply
    27,941.09x = 41,911.56 × 8,219.61
  4. Step 4: Simplify right side
    27,941.09x = 344,496,677.69
  5. Step 5: Solve for x
    x = 344,496,677.69/27,941.09
  6. Step 6: Final answer
    x = 12,329.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.